• 'Finding a replacement at center is the most important thing in (the offensive line) group,' coach Mike Bellotti says.

• Offensive lineman Mark Asper will practice with the Ducks after returning from a two-year church mission.

• Marvin Johnson's offseason impressed Bellotti as the redshirt freshman looks to play in the deep UO secondary. 'He really had a productive winter in terms of improving his strength and speed,' the coach says.

Bellotti cites Johnson, Jordan Holmes, C.E. Kaiser, Brandon Bair and Spencer Paysinger as redshirt freshmen who could make an impact.